[TIMOB-24920] (6_2_X) Android: Allow selecting different stream-types in Ti.Media.Sound

[hansemannn]

JIRA: https://jira.appcelerator.org/browse/TIMOB-24920

[lokeshchdhry]

FR Passed.

Different media streams types are selected successfully according to value specified for the audioType.

var player = Ti.Media.createSound({
	url:"sound.wav",
	audioType: Titanium.Media.Sound.AUDIO_TYPE_ALARM // Can have values AUDIO_TYPE_SIGNALLING, AUDIO_TYPE_MEDIA, AUDIO_TYPE_NOTIFICATION, AUDIO_TYPE_RING
});

player.play();

Studio Ver: 4.9.1.201707200100
SDK Ver: 6.2.0 local build
OS Ver: 10.12.3
Xcode Ver: Xcode 8.3.3
Appc NPM: 4.2.9
Appc CLI: 6.2.3
Ti CLI Ver: 5.0.14
Alloy Ver: 1.9.13
Node Ver: 6.10.1
Java Ver: 1.8.0_101
Devices: ⇨ motorola XT1033 --- Android 4.4.4
⇨ google Pixel --- Android 7.1.1